CN101888113A - Solar power supply control system and control method - Google Patents
Solar power supply control system and control method Download PDFInfo
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- CN101888113A CN101888113A CN2010102291821A CN201010229182A CN101888113A CN 101888113 A CN101888113 A CN 101888113A CN 2010102291821 A CN2010102291821 A CN 2010102291821A CN 201010229182 A CN201010229182 A CN 201010229182A CN 101888113 A CN101888113 A CN 101888113A
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- power supply
- storage battery
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- photovoltaic panel
- control system
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention relates to a solar power supply control system, which comprises a solar photovoltaic panel, a storage battery, a direct current stable-voltage power supply and a controller, wherein the controller is connected with the solar photovoltaic panel, the storage battery and the direct current stable-voltage power supply and can control the on and off of the solar photovoltaic panel, the storage battery and the direct current stable-voltage power supply. The invention also relates to a solar power supply control method. In the method, when sunlight is sufficient, photovoltaic power is used preferably; when the voltage or current of the photovoltaic panel reduces to a preset value, the lead-acid storage battery is switched to and used; and the direct-current stable-voltage power supply is switched to only when both the photovoltaic power and the lead-acid storage battery can be used. In the invention, the solar power supply, the storage battery and the common stable-voltage direct-current power supply are integrated to form a diversified solar power supply system which can be switched automatically without disturbance, and the solar power supply system is free from the influences of weather conditions such as season turning, day and night alternation, weather change and the like.
Description
Technical field
The present invention relates to a kind of control system, is a kind of solar powered control system specifically.The present invention has also designed a kind of solar powered control system.
Background technology
Solar electric power supply system is used very extensive, and the citation form that solar electric power supply system is used can be divided into two big classes: stand alone generating system and grid-connected system.Use main field mainly space airborne vehicle, communication system, microwave relay station, television transposer stations, photovoltaic water pump and do not have electric power-shortage area family with the power supply.Needs along with technical development and World Economics sustainable development, developed country has begun in a planned way to promote the city parallel network power generation, mainly be to build the family, widely popularize the application of solar energy solar electric power supply system simultaneously at aspects such as the vehicles and city illuminations with roof photovoltaic generating system and the large-scale grid-connected system of MW level concentrated etc.
The scale and the application form of solar electric power supply system are different, and be very big as the system scale span, and little solar energy garden lamp to 0.3～2W arrives the solar photovoltaic power plant of MW level greatly.Its application form is also varied, can both be widely used at numerous areas such as family expenses, traffic, communication, space application.Although the solar electric power supply system scale differs, its composition structure and operation principle are basic identical.The critical piece that wherein comprises is: the photovoltaic module square formation: formed according to the system requirements series and parallel by solar module (also claiming photovoltaic cell component), under solar light irradiation solar energy converting is become electric energy output, it is the core component of solar energy solar electric power supply system.Storage battery: the electrical power storage that solar module produces is got up, when illumination deficiency or evening or loading demand during greater than solar module electricity amount, the electric energy that stores is discharged to satisfy the energy requirement of load, and it is the energy storage component of solar energy solar electric power supply system.
In patent application number is 200410054730.6, date of application is the patent " in the electric power system of solar cell and storage battery and usefulness " on March 2nd, 2005, the combinational circuit of a kind of solar cell and storage battery and usefulness is disclosed, two kinds of battery ponds make up for each other's deficiencies and learn from each other, pass through on-off switch, make circuit form solar cell and power separately, storage battery is powered separately.Solar cell is powered simultaneously with storage battery and solar cell charges a battery different power supplies and charging circuit have solved the problem on storage battery can not be powered for a long time and charge, and have prolonged the useful life of storage battery.But it can't realize automaticallying switch, and uses inconvenient.
And existing solar electric power supply system obtains the energy with the four seasons, reach and rain or shine wait meteorological condition relevant round the clock, so just has influence on the application and the performance of solar electric power supply system, can't give full play to the superiority of solar electric power supply system.
Summary of the invention
For solving the problems of the technologies described above, the objective of the invention is to: a kind of solar powered control system and control method are provided, this control system and method can be given full play to the superiority of solar electric power supply system, make it not be subjected to the four seasons, reach the influence that rain or shine waits meteorological condition round the clock.
In order to solve the problems of the technologies described above, the invention provides a kind of solar powered control system, this power control system comprises solar energy photovoltaic panel, storage battery and D.C. regulated power supply, described power supply control is stated system and is also comprised a controller, this controller is connected with described solar energy photovoltaic panel, storage battery and D.C. regulated power supply, and can control the break-make of solar energy photovoltaic panel, storage battery and D.C. regulated power supply.
According to power control system of the present invention, being preferably described controller is core control part with the microprocessor, to detect voltage inspection value or current value in real time, realize switching between solar energy photovoltaic panel, storage battery, the D.C. regulated power supply three by microprocessor driven K switch 1 and K2.
According to power control system of the present invention; be preferably the control of described power supply state system also comprise at least one be used to prevent to overcharge, overvoltage, overcurrent, overheated, refluence, short circuit, anti-lightning strike protective circuit, be arranged between described solar energy photovoltaic panel, storage battery or D.C. regulated power supply and the described controller.
According to power control system of the present invention, be preferably the control of described power supply and state system and between described solar energy photovoltaic panel and controller, also include a DC/DC module; Described power supply control is stated system and also include an AC/DC module between described storage battery and controller.
According to power control system of the present invention, being preferably described storage battery is lead acid accumulator.
According to power control system of the present invention, be preferably the control of described power supply and state system and also comprise a boost battery charge module.
According to power control system of the present invention, be preferably described boost battery charge module.This module can be divided into four parts: starting of oscillation part, logical gate, switch sections, rectifying part.Wherein the starting of oscillation part is made of IC1F, IC1E, R1, R6, C3, forms the RC oscillating circuit, and logical gate is made of IC1A, IC1B, and the concussion pulse produces the conducting of Transistor-Transistor Logic level control triode through logical gate.Switch sections adopts two groups and the K2956 and the J471 that connect.Rectifying part adopts bridge rectifier.Starting of oscillation and logical gate can adopt the CD4069UBE integrated chip
According to power control system of the present invention, be preferably the control of described power supply and state system and also comprise a power supply state of a control display unit.
A kind of solar powered control method may further comprise the steps:
Step 1: start the solar energy photovoltaic panel power supply;
Step 2: detect solar energy photovoltaic panel supply power voltage or electric current, and compare with estimating voltage or current value;
1) if solar energy photovoltaic panel supply power voltage or electric current promptly continue to adopt the solar energy photovoltaic panel power supply more than or equal to expectation voltage or current value;
2), and switch to storage battery power supply by solar powered power control system if solar energy photovoltaic panel supply power voltage or electric current promptly stop to adopt the solar energy photovoltaic panel power supply less than expectation voltage or current value;
Step 3: detect the supply power voltage or the electric current of storage battery, and compare with estimating voltage or current value;
1) if the supply power voltage of storage battery or electric current promptly continue storage battery power supply more than or equal to expectation voltage or current value;
2) supply power voltage or the electric current as if storage battery promptly stops to adopt storage battery power supply less than expectation voltage or current value, and switches to the D.C. regulated power supply power supply by solar powered power control system.
Description of drawings
Fig. 1 is the structured flowchart of solar powered control system of the present invention;
Fig. 2 is the controller circuitry figure in the described solar powered control system of Fig. 1;
Fig. 3 is the battery charging circuit schematic diagram in the described solar powered control system of Fig. 1.
Embodiment
Below, for a more detailed description to the present invention in conjunction with the accompanying drawings with embodiment.These embodiment only are the descriptions to best mode for carrying out the invention, scope of the present invention are not had any restriction.
Embodiment
As shown in Figure 1, be the structured flowchart of solar powered control system of the present invention.Described solar powered control system, solar energy photovoltaic panel 1, storage battery 2 and D.C. regulated power supply 3, described power supply control is stated system and is also comprised a controller 4, this controller 4 is connected with described solar energy photovoltaic panel 1, storage battery 2 and D.C. regulated power supply 3, and can control the break-make of solar energy photovoltaic panel 1, storage battery 2 and D.C. regulated power supply 3.
As shown in Figure 2, be the controller circuitry figure in the solar powered control system of the present invention.Controller 4 is a core control part with the microprocessor, will detect voltage inspection value or current value in real time, realizes switching between solar energy photovoltaic panel 1, storage battery 2, D.C. regulated power supply 3 threes by microprocessor driven K switch 1 and K2.
Power control system of the present invention in order to prolong lead acid accumulator useful life, must discharge and recharge in addition strict restriction of condition to it, prevents overcharge of a battery or deep discharge.Because it is the input electric energy of solar energy photovoltaic system is not really stable, more complicated than the control of conventional accumulators charging in the native system to charge in batteries control.It generally need have several links such as anti-reverse charge, anti-overcharge electricity, anti-overdischarge, temperature-compensating, impulse electricity controller.In addition, the impulse electricity controller also should have defencive functions such as short-circuit protection, protection to error-polarity connection, lightning strike protection.The impulse electricity controller also is to be realized by microcontroller.
Power control system of the present invention, preferably described power supply control is stated system and also include a DC/DC module 5 between described solar energy photovoltaic panel and controller; Described power supply control is stated system and also include an AC/DC module 6 between described storage battery and controller.Be preferably wherein that storage battery is a lead acid accumulator, also comprise a boost battery charge module.Being preferably the control of described power supply states system and also comprises a power supply state of a control display unit.
As shown in Figure 3, be the battery charging circuit schematic diagram in the described solar powered control system.It can be divided into four parts: starting of oscillation part, logical gate, switch sections, rectifying part.The starting of oscillation part is made of IC1F, IC1E, R1, R6, C3, forms the RC oscillating circuit, and logical gate is made of IC1A, IC1B, and the concussion pulse produces the conducting of Transistor-Transistor Logic level control triode through logical gate.Switch sections adopts two groups and the K2956 and the J471 that connect.Rectifying part adopts bridge rectifier.Starting of oscillation and logical gate can adopt the CD4069UBE integrated chip, and this chip has standard symmetry output characteristic.
Solar powered control method of the present invention comprises step:
Step 1: start the solar energy photovoltaic panel power supply;
Step 2: detect solar energy photovoltaic panel supply power voltage or electric current, and compare with estimating voltage or current value;
1) if solar energy photovoltaic panel supply power voltage or electric current promptly continue to adopt the solar energy photovoltaic panel power supply more than or equal to expectation voltage or current value;
2), and switch to storage battery power supply by solar powered power control system if solar energy photovoltaic panel supply power voltage or electric current promptly stop to adopt the solar energy photovoltaic panel power supply less than expectation voltage or current value;
Step 3: detect the supply power voltage or the electric current of storage battery, and compare with estimating voltage or current value;
1) if the supply power voltage of storage battery or electric current promptly continue storage battery power supply more than or equal to expectation voltage or current value;
2) supply power voltage or the electric current as if storage battery promptly stops to adopt storage battery power supply less than expectation voltage or current value, and switches to the D.C. regulated power supply power supply by solar powered power control system.
Described solar powered control method when sufficient, is preferentially utilized the photovoltaic electric energy at sunshine; When photovoltaic electroplax voltage or electric current drop to preset value, switching to lead acid accumulator uses; And when photovoltaic and lead acid accumulator are all unavailable, just consider the switching of D.C. regulated power supply, and utilize indication output to be used for display control state.
The present invention can integrate sun-generated electric power, battery, common constant voltage dc source three, consist of a cover diversification, the automatic solar electric power supply system of unperturbed switching, it makes solar electric power supply system not be subjected to the four seasons, reach the impact that rain or shine waits meteorological condition round the clock, has the advantages such as cost is relatively cheap, overall performance stable, energy-efficient.
Claims (10)
1. solar powered control system, this power control system comprises solar energy photovoltaic panel, storage battery and D.C. regulated power supply, it is characterized in that: described power supply control is stated system and is also comprised a controller, this controller is connected with described solar energy photovoltaic panel, storage battery and D.C. regulated power supply, and can control the break-make of solar energy photovoltaic panel, storage battery and D.C. regulated power supply.
2. power control system according to claim 1, it is characterized in that: described controller is core control part with the microprocessor, to detect voltage inspection value or current value in real time, realize switching between solar energy photovoltaic panel, storage battery, the D.C. regulated power supply three by microprocessor driven K switch 1 and K2.
3. power control system according to claim 1; it is characterized in that: the control of described power supply state system also comprise at least one be used to prevent to overcharge, overvoltage, overcurrent, overheated, refluence, short circuit, anti-lightning strike protective circuit, be arranged between described solar energy photovoltaic panel, storage battery or D.C. regulated power supply and the described controller.
4. according to each described power control system in the claim 1 to 3, it is characterized in that: described power supply control is stated system and also include a DC/DC module between described solar energy photovoltaic panel and controller.
5. according to each described power control system in the claim 1 to 3, it is characterized in that: described power supply control is stated system and also include an AC/DC module between described storage battery and controller.
6. according to each described power control system in the claim 1 to 3, it is characterized in that: described storage battery is a lead acid accumulator.
7. power control system according to claim 6 is characterized in that: described power supply control is stated system and is also comprised a boost battery charge module.
8. power control system according to claim 7 is characterized in that: described boost battery charge module, this module are divided into four parts: starting of oscillation part, logical gate, switch sections, rectifying part; Wherein the starting of oscillation part is made of IC1F, IC1E, R1, R6, C3, form the RC oscillating circuit, logical gate is made of IC1A, IC1B, the concussion pulse produces the conducting of Transistor-Transistor Logic level control triode through logical gate, switch sections adopts two groups and the K2956 and the J471 that connect, and rectifying part adopts bridge rectifier.
9. power control system according to claim 1 is characterized in that: described power supply control is stated system and is also comprised a power supply state of a control display unit.
10. solar powered control method, this method comprises step:
Step 1: start the solar energy photovoltaic panel power supply;
Step 2: detect solar energy photovoltaic panel supply power voltage or electric current, and compare with estimating voltage or current value;
1) if solar energy photovoltaic panel supply power voltage or electric current promptly continue to adopt the solar energy photovoltaic panel power supply more than or equal to expectation voltage or current value;
2), and switch to storage battery power supply by solar powered power control system if solar energy photovoltaic panel supply power voltage or electric current promptly stop to adopt the solar energy photovoltaic panel power supply less than expectation voltage or current value;
Step 3: detect the supply power voltage or the electric current of storage battery, and compare with estimating voltage or current value;
1) if the supply power voltage of storage battery or electric current promptly continue storage battery power supply more than or equal to expectation voltage or current value;
2) supply power voltage or the electric current as if storage battery promptly stops to adopt storage battery power supply less than expectation voltage or current value, and switches to the D.C. regulated power supply power supply by solar powered power control system.
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| CN2010102291821A CN101888113A (en) | 2010-07-06 | 2010-07-06 | Solar power supply control system and control method |
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| CN2010102291821A CN101888113A (en) | 2010-07-06 | 2010-07-06 | Solar power supply control system and control method |
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| CN101888113A true CN101888113A (en) | 2010-11-17 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102536770A (en) * | 2010-12-31 | 2012-07-04 | 陈俊平 | Water pump with self-protection function and self-protection method thereof |
| CN103914084A (en) * | 2014-04-03 | 2014-07-09 | 苏州工业职业技术学院 | Automatic light tracing device and light tracing method thereof |
| CN104242441A (en) * | 2014-09-10 | 2014-12-24 | 浙江省能源与核技术应用研究院 | Solar energy and AC network collaborative charging system |
| CN104362969A (en) * | 2014-10-11 | 2015-02-18 | 文创科技股份有限公司 | Solar outdoor power system |
| CN105515159A (en) * | 2015-12-25 | 2016-04-20 | 南京普天大唐信息电子有限公司 | Solar energy controller power source circuit |
| CN105576801A (en) * | 2016-01-05 | 2016-05-11 | 京东方科技集团股份有限公司 | Intelligent wearable equipment |
| CN106020206A (en) * | 2016-07-26 | 2016-10-12 | 上海海洋大学 | Beacon navigation based water quality improving ship, control system and control process |
| CN112526963A (en) * | 2020-10-23 | 2021-03-19 | 武汉伟立德新能源有限公司 | Testing method of solar charge and discharge controller |
| CN113131581A (en) * | 2021-04-21 | 2021-07-16 | 广东电网有限责任公司广州供电局 | Photovoltaic charge and discharge system and charge and discharge grid-connected control device thereof |
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| CN101452669A (en) * | 2008-12-05 | 2009-06-10 | 湖南新亚胜科技发展有限公司 | LED display system |
| US20090218982A1 (en) * | 2008-02-29 | 2009-09-03 | General Electric Company | Rechargable power supplies for portable medical equipment |
| CN101702529A (en) * | 2009-11-26 | 2010-05-05 | 上海交通大学 | Photovoltaic movable emergency power supply system and method thereof |
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| US20090218982A1 (en) * | 2008-02-29 | 2009-09-03 | General Electric Company | Rechargable power supplies for portable medical equipment |
| CN101452669A (en) * | 2008-12-05 | 2009-06-10 | 湖南新亚胜科技发展有限公司 | LED display system |
| CN101702529A (en) * | 2009-11-26 | 2010-05-05 | 上海交通大学 | Photovoltaic movable emergency power supply system and method thereof |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102536770A (en) * | 2010-12-31 | 2012-07-04 | 陈俊平 | Water pump with self-protection function and self-protection method thereof |
| CN103914084A (en) * | 2014-04-03 | 2014-07-09 | 苏州工业职业技术学院 | Automatic light tracing device and light tracing method thereof |
| CN104242441A (en) * | 2014-09-10 | 2014-12-24 | 浙江省能源与核技术应用研究院 | Solar energy and AC network collaborative charging system |
| CN104362969A (en) * | 2014-10-11 | 2015-02-18 | 文创科技股份有限公司 | Solar outdoor power system |
| CN104362969B (en) * | 2014-10-11 | 2017-07-18 | 文创科技股份有限公司 | A kind of domestic solar dispatch from foreign news agency origin system |
| CN105515159A (en) * | 2015-12-25 | 2016-04-20 | 南京普天大唐信息电子有限公司 | Solar energy controller power source circuit |
| CN105576801A (en) * | 2016-01-05 | 2016-05-11 | 京东方科技集团股份有限公司 | Intelligent wearable equipment |
| US10048723B2 (en) | 2016-01-05 | 2018-08-14 | Boe Technology Group Co., Ltd. | Power supply module and smart wearable device |
| CN106020206A (en) * | 2016-07-26 | 2016-10-12 | 上海海洋大学 | Beacon navigation based water quality improving ship, control system and control process |
| CN112526963A (en) * | 2020-10-23 | 2021-03-19 | 武汉伟立德新能源有限公司 | Testing method of solar charge and discharge controller |
| CN113131581A (en) * | 2021-04-21 | 2021-07-16 | 广东电网有限责任公司广州供电局 | Photovoltaic charge and discharge system and charge and discharge grid-connected control device thereof |
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Application publication date: 20101117 |